Psychrometric Calculator

Moist air properties — ASHRAE Fundamentals
Inputs

Second Condition
Results
Humidity Ratio
lb/lb dry air
Grains of Moisture
gr/lb dry air
Enthalpy
BTU/lb dry air
Specific Volume
ft³/lb dry air
Relative Humidity
%
Wet Bulb
°F
Dew Point
°F
Vapor Pressure
in. Hg
Baro. Pressure
psia